chaperons
n.伴侣,监护人:陪伴年轻未婚女子参加社交活动的成年人,通常是年长的女性,以确保她们的行为得体。
例句
You: Because there were some rules, for example, boys and girls couldn't be alone in the same place and they needed chaperons if they went out on a date.
因为有规定。 男孩和女孩是不能单独约会的。 如果有约会的话,都会由侍女陪同。